Profile Design Threadless Size Converter (1" - 1 1/8")

Bike Stem 31.8 × 45mm WAKE Mountain Bike Stem Bicycle Handlebar Stem Suitable for BMX MTB Road Bike (Aluminum Alloy, Adjustable, Black)

ODIER Bike Headset Spacer 6Pcs Aluminium Alloy Bicycle Stem Headset Spacers Fit 1 1/8-Inch Stem Compatible with MTB Bike Road Bikes 2mm 3mm 5mm 10mm x 3 (Black)

Wake MTB Stem 31.8 90mm 0-60 Degree Adjustable Bike Stem Mountain Bike Stem Short Handlebar Stem for Most Bicycle, Road Bike, MTB, BMX, Fixie Gear, Cycling (Aluminum Alloy, Lightweight, Black)

SHIMANO Housing Stop for 1-1/8" Down Tube

UPANBIKE MTB Mountain Bike Bicycle Extra Long Handlebar φ31.8mm 700mm Riser Bar

Origin8 Pro Fit Alloy Ergo Stem, 1-1/8" x 25.4 x 17-Degree x 100mm, Polished Silver

UPANBIKE Road Mountain Bike Bicycle Stem Riser Adapter 1 1/8" φ22.2mm 25.4mm150mm

FOMTOR Bike Stem 31.8mm 35 Degree 70mm Bicycle Handlebar Stem Riser Suitable for BMX MTB Road Bike Mountain Bike (31.8 x 70mm)

FOMTOR 31.8 Stem 60mm 7 Degree Light-weight Bike Handlebar Stem MTB Stem Suitable Mountain Bike Road Bike BMX MTB (31.8 x 60mm)

Wake MTB Stem 25.4 110mm 0-60 Degree Adjustable Bike Stem Mountain Bike Stem Short Handlebar Stem for Most Bicycle, Road Bike, MTB, BMX, Fixie Gear, Cycling (Aluminum Alloy, Lightweight, Black)